Power transfer device for four-wheel drive

Details Power transfer device for four-wheel drive Power transfer device for four-wheel drive

1987-05-26

1989-03-28

Bonck, Rodney H.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

747105, 180249, F16H 3708

Patent

active

048153362

ABSTRACT:
A power transfer device for four-wheel drive includes a center differential of the bevel gear type arranged to split the driving power from a power transmission into two torque delivery paths respectively for front-wheel drive and rear-wheel drive, a front-drive differential of the bevel gear type arranged coaxially with the center differential at one side thereof to transfer the split driving power from a side gear of the center differential to front-wheel axles, and an output gear for rear-wheel drive arranged coaxially with the center differential at the other side thereof to transfer the split driving power from another side gear of the center differential to rear-wheel axles. In the power transfer device, a limited-slip differential in the form of a viscous coupling is assembled within a mounting case for the output gear to effect limited-slip torque proportional to the difference in rotational speed between the side gears.

REFERENCES:
patent: 4520690 (1985-06-01), Dangel
patent: 4582160 (1986-03-01), Weismann et al.
patent: 4601359 (1986-07-01), Weismann et al.
patent: 4643045 (1987-02-01), Katayama
patent: 4645029 (1987-02-01), Sasaki et al.
patent: 4669332 (1987-06-01), Katayama
patent: 4671135 (1987-06-01), Dangel
patent: 4697470 (1987-10-01), Sasaki et al.

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